Merge remote-tracking branch 'origin/v8/dev' into netcore/dev

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

# Conflicts:
#	src/Umbraco.Core/Models/PublishedContent/IndexedArrayItem.cs
#	src/Umbraco.Infrastructure/Models/Mapping/CommonMapper.cs
#	src/Umbraco.Web.UI/web.Template.Debug.config
#	src/Umbraco.Web/Compose/AuditEventsComponent.cs
#	src/Umbraco.Web/HtmlHelperRenderExtensions.cs
#	src/Umbraco.Web/HtmlStringUtilities.cs
#	src/Umbraco.Web/PublishedContentExtensions.cs
#	src/Umbraco.Web/Runtime/WebInitialComposer.cs

src/Umbraco.Core/ContentApps/ContentEditorContentAppFactory.cs

@@ -30,9 +30,6 @@ namespace Umbraco.Web.ContentApps
                         Weight = Weight
                     });
 
-                case IContent _:
-                    return null;
-
                 case IMedia media when !media.ContentType.IsContainer || media.Properties.Count > 0:
                     return _mediaApp ?? (_mediaApp = new ContentApp
                     {
@@ -43,9 +40,6 @@ namespace Umbraco.Web.ContentApps
                         Weight = Weight
                     });
 
-                case IMedia _:
-                    return null;
-
                 case IMember _:
                     return _memberApp ?? (_memberApp = new ContentApp
                     {
@@ -57,7 +51,7 @@ namespace Umbraco.Web.ContentApps
                     });
 
                 default:
-                    throw new NotSupportedException($"Object type {o.GetType()} is not supported here.");
+                    return null;
             }
         }
     }